exam
Maths Puzzle
Numerical Ability
Surface area of cylinder with radius 5ft and height 8ft
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exam Other Question
Verify the identity using Aultiple-Angle Formulas. I am totally lost help would be appreciated.
1a) cos^(4)x-sin^(4)x=cos2x
1b) tanθ+cotθ=2csc2θ
Solve to four decimal places:log(4) (x-9)=2.
Thank You